Home / 75,988.26-113,912.64-29,205.90

Finding the Fourth Proportional to 75,988.26, 113,912.64 and 29,205.90

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Solution

The fourth proportional to 75,988.26, 113,912.64 and 29,205.90 is: 43,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,988.26 : 113,912.64 = 29,205.90 : x
  2. Step 2: Convert to fraction form
    75,988.26/113,912.64 = 29,205.90/x
  3. Step 3: Cross multiply
    75,988.26x = 113,912.64 × 29,205.90
  4. Step 4: Simplify right side
    75,988.26x = 3,326,921,172.58
  5. Step 5: Solve for x
    x = 3,326,921,172.58/75,988.26
  6. Step 6: Final answer
    x = 43,782.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.